Linux CMD Snippets

# RAM Usage
ps aux | awk '{print $6/1024 " MB\t\t" $11}' | sort -rn | head -25

# HISTIGNORE - Colon-separated list of exact commands to ignore storing of in BASH history. 
HISTIGNORE="clear:bg:fg:cd:exit:date:w:* --help" 

# Format, Mount drives in Linux (Ubuntu)

sudo mkfs.ext4 /dev/sdb
sudo mkdir /mnt/sdb
sudo mount /dev/sdb /mnt/sdb

Add the following to /etc/fstab to ensure it mounts automatically after a reboot:

/dev/sdb /mnt/sdb ext4 defaults 0 0